electric actuator 1.NO/NC 2.230VAC/24VAC 3.Power:2W 4.Stroke:3mm Avonflow Baiyilun TRV Co.,Ltd. specializes in the development and manufacture of heating and temperature control products. Baiyilun constant temperature control valves, used in pressure temperature regulator of city heating and hot water system, are equipped with body as automatic constant temperature control valve. This valve ...